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Galina-37 [17]
3 years ago
9

The sphere weighs .075pound per cubic inch if the sphere radius is 4inches what is the weight to the sphere to the nearest pound

Mathematics
1 answer:
Dafna11 [192]3 years ago
5 0
Sphere Volume<span> = 4/3 • <span>π <span>• r³
</span></span></span>Sphere Volume<span> = 4/3 • <span>π <span>•radius^3
</span></span></span>Sphere Volume = <span> <span> <span> 268.08</span></span></span> cubic inchesSphere weight = <span> <span> 268.08 * .075
</span></span>Sphere weight = 20.106 pounds =20 pounds (rounded)


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Zalma’s stock investment in March was $120. In October, it was $400.
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In December, Zalma will have $480.

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The time from March to October is 7 months. In those 7 months, she gains $280. So every month, her investment gains $40.

The time from March to December is 9 months. She will gain $360 during that time. We add her initial $120 with the $360, and Zalma will have $480.

It's not confirmed, but it's what I got. :D

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What is the ratio for
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Solve for x ....... thanks !
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If we can match teh bases we can solve
because if x=x and xᵃ=xᵇ, we can conclude that a=b

16=2⁴
32=2⁵
rememeber that (x^m)^n=x^{mn}

16^{3x+2}=32^{-2x-7}
(2^4)^{3x+2}=(2^5)^{-2x-7}
2^{4(3x+2)}=2^{5(-2x-7)}
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4(3x+2)=5(-2x-7)
expand/distribute
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divide both sides by 22
x=-43/22
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